<?php

/**
 * (c) Copyright Ascensio System SIA 2025
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace App\Helpers;

use Illuminate\Support\Facades\Storage;

class UniqueFilename
{
    public static function for(string $oldFilename): string
    {
        $newPath = $oldFilename;
        $dirname = pathinfo($oldFilename, PATHINFO_DIRNAME);
        $basename = pathinfo($oldFilename, PATHINFO_BASENAME);
        $filename = pathinfo($oldFilename, PATHINFO_FILENAME);
        $extension = pathinfo($oldFilename, PATHINFO_EXTENSION);

        for ($i = 1; Storage::disk('files')->exists($newPath); $i++) {
            $basename = "$filename ($i).$extension";
            $newPath = $dirname.DIRECTORY_SEPARATOR.$basename;
        }

        return $newPath;
    }
}
